Home / 7,385.28-11,073.60-4,461.84

Finding the Fourth Proportional to 7,385.28, 11,073.60 and 4,461.84

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Solution

The fourth proportional to 7,385.28, 11,073.60 and 4,461.84 is: 6,690.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.28 : 11,073.60 = 4,461.84 : x
  2. Step 2: Convert to fraction form
    7,385.28/11,073.60 = 4,461.84/x
  3. Step 3: Cross multiply
    7,385.28x = 11,073.60 × 4,461.84
  4. Step 4: Simplify right side
    7,385.28x = 49,408,631.42
  5. Step 5: Solve for x
    x = 49,408,631.42/7,385.28
  6. Step 6: Final answer
    x = 6,690.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.